Keystone key-pad dome switches

March 21, 2017

New snap action "Key-Pad" dome contacts specifically designed as a momentary contact for printed circuit boards, flex circuits, membrane switches and discrete switches.

These innovative dome switches feature a 4 legged shape that allows them to be durable and reliable while maintaining an exceptional tactile feel.  Offered in Mini (.331" Dia), Compact (.394" Dia) and Maxi (.480" Dia) styles with trip forces from 7.8oz. to 14.8oz.  These key-pad domes offer design versatility for single or double-sided printed circuit boards, flex circuits, and membrane switch panels.  

Manufactured from Nickel plated Stainless Steel, these domes are built for harsh environments such as Microwaves, Vending machines or any application requiring substantial tactile response along with extensive actuation life. 


  • Material:  Stainless Steel, Nickel Plated.
  • Gold plating available
  • Operating Temperature: -40°F to  220°F [-40°C to 105°C]
  • Storage Temperature:  -67°F to 257°F  [-55°C to 125°C] 


  • Contact resistance: less then 100 mOhm
  • Switching Voltage:  0.1 to 100VDC
  • Switching Current: 5 µAmp to 100 mAmp DC
  • Switching Capacity: 1 Watt